Finding the Fourth Proportional to 921,212.36, 1,380,770.32 and 560,587.84
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Solution
The fourth proportional to 921,212.36, 1,380,770.32 and 560,587.84 is: 840,243.88
Step by Step Solution
- Step 1: Write the proportion equation
921,212.36 : 1,380,770.32 = 560,587.84 : x - Step 2: Convert to fraction form
921,212.36/1,380,770.32 = 560,587.84/x - Step 3: Cross multiply
921,212.36x = 1,380,770.32 × 560,587.84 - Step 4: Simplify right side
921,212.36x = 774,043,051,224.91 - Step 5: Solve for x
x = 774,043,051,224.91/921,212.36 - Step 6: Final answer
x = 840,243.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.